drop python3.6 support
python 3.6 reached end of life on 2021-12-23
Committed via https://github.com/asottile/all-repos
diff --git a/pre_commit_hooks/tests_should_end_in_test.py b/pre_commit_hooks/tests_should_end_in_test.py
index bffb0c4..e1ffe36 100644
--- a/pre_commit_hooks/tests_should_end_in_test.py
+++ b/pre_commit_hooks/tests_should_end_in_test.py
@@ -1,11 +1,12 @@
+from __future__ import annotations
+
import argparse
import os.path
import re
-from typing import Optional
from typing import Sequence
-def main(argv: Optional[Sequence[str]] = None) -> int:
+def main(argv: Sequence[str] | None = None) -> int:
parser = argparse.ArgumentParser()
parser.add_argument('filenames', nargs='*')
parser.add_argument(
